[cisco-voip] iPhone iOS 7 mail client and IMAP over SSL (port 993) to Unity Connection 8.03

[Paul E Roche]

iOS 7 mail client works fine via IMAP to our unity connection server with SSL disabled. (just plain IMAP) - We also have no trouble using IMAP mail accounts with SSL enabled on the iOS7 devices talking to our SUN/Oracle email servers. 

All versions of Mac OS X mail client are also still fine using IMAP with SSL to the unity-connection servers (which are set up by default using self-signed certs). 

It seems to be just IMAP with SSL from iOS 7 devices to unity connection (in our experience.)
I have a case open with TAC, and I can also see an error message like this in the IMAP trace files: 

'CuImapSvr,11,SSL_accept:error in SSLv3 read client certificate A'

I think maybe the mail client doesn't like self-signed certificates - my next thought was to generate a CSR on unity connection server and try installing a cert from a real CA during a maintenance window. 


On Sep 23, 2013, at 1:55 PM, "Chris Ward (chrward)" <chrward at cisco.com> wrote:

> I had one of the Unity Connection PM’s (who is an Apple fanboy er… I mean user) confirm that IOS7 seems to have broken IMAP integrations to CUC (SSL and non-SSL in his case). The IMAP still worked from his Macbook either way.
>  
> Has anyone tried IMAP to a different IMAP server from IOS7? Is it all IMAP or just to CUC?
>  
> +Chris
> TME - Unity Connection and MediaSense
>  
> From: cisco-voip [mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of egoppel
> Sent: Friday, September 20, 2013 2:50 PM
> To: Paul E Roche; cisco-voip at puck.nether.net
> Subject: Re: [cisco-voip] iPhone iOS 7 mail client and IMAP over SSL (port 993) to Unity Connection 8.03
>  
> Paul,
>  
> You could try changing the security settings in safari.
> Changing the cookie settings, solved other ssl issues for me.
> Maybe there are some other options there as well.
>  
> Erik
>  
>  
> Verzonden vanaf Samsung Mobile
> 
> 
> 
> -------- Oorspronkelijk bericht --------
> Van: Paul E Roche <roche at chapman.com> 
> Datum: 20-09-2013 18:39 (GMT+01:00) 
> Aan: cisco-voip at puck.nether.net 
> Onderwerp: [cisco-voip] iPhone iOS 7 mail client and IMAP over SSL (port 993) to Unity Connection 8.03 
> 
> 
> Does anyone have IMAP over SSL in new iPhone OS (iOS 7) working to unity connection 8 (and with or without self-signed Certificates on unity connection)? 
> The few iPhones we have that were already upgraded to iOS v7 can no longer connect to our unity connection with IMAP over SSL - they will still connect OK if we disable SSL in the mail client on the iPhone. All iOS 6 and earlier iOS devices are still fine connecting via IMAP over SSL.
> 
> Just curious if anyone else is seeing this issue. I also have a TAC case open with cisco.
> 
> Thanks for any info.
> 
> 
> 
> 
> 
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